package com.zhengsanming.web.old;


import com.alibaba.fastjson.JSON;
import com.zhengsanming.pojo.Brand;
import com.zhengsanming.service.BrandService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@WebServlet("/select")
public class selectAllServlet extends HttpServlet {
    private BrandService service = new BrandService();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setHeader("Access-Control-Allow-Origin", "*");
        resp.setHeader("Access-Control-Allow-Credentials", "true");
//        调用Brandservice查询方法
        List<Brand> brands = service.selectAll();
//        存入request域中
        String brand = JSON.toJSONString(brands);
        resp.setContentType("text/json;charset=utf-8");
        resp.getWriter().write(brand);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doGet(req, resp);
    }
}
